[INFO] fetching crate mdbook-post 0.1.3...
[INFO] testing mdbook-post-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate mdbook-post 0.1.3 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate mdbook-post 0.1.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-post 0.1.3
[INFO] finished tweaking crates.io crate mdbook-post 0.1.3
[INFO] tweaked toml for crates.io crate mdbook-post 0.1.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate mdbook-post 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.168
[INFO] [stderr]   Downloaded tsu v1.0.1
[INFO] [stderr]   Downloaded serde_derive v1.0.168
[INFO] [stderr]   Downloaded serde_yaml v0.9.22
[INFO] [stderr]   Downloaded doe v0.2.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eccbeb31d6c2c79975f06e1fe81901c9c75e85c2d82bef627ea870e38a0715a2
[INFO] running `Command { std: "docker" "start" "-a" "eccbeb31d6c2c79975f06e1fe81901c9c75e85c2d82bef627ea870e38a0715a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eccbeb31d6c2c79975f06e1fe81901c9c75e85c2d82bef627ea870e38a0715a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eccbeb31d6c2c79975f06e1fe81901c9c75e85c2d82bef627ea870e38a0715a2", kill_on_drop: false }`
[INFO] [stdout] eccbeb31d6c2c79975f06e1fe81901c9c75e85c2d82bef627ea870e38a0715a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c08d174ea906e38cff2d51a2a3b08093136cce6b1912c5c96ae85959b1a12f6c
[INFO] running `Command { std: "docker" "start" "-a" "c08d174ea906e38cff2d51a2a3b08093136cce6b1912c5c96ae85959b1a12f6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.168
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling equivalent v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling doe v0.2.37
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/doe-0.2.37/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_for, const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doe` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c08d174ea906e38cff2d51a2a3b08093136cce6b1912c5c96ae85959b1a12f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08d174ea906e38cff2d51a2a3b08093136cce6b1912c5c96ae85959b1a12f6c", kill_on_drop: false }`
[INFO] [stdout] c08d174ea906e38cff2d51a2a3b08093136cce6b1912c5c96ae85959b1a12f6c
[INFO] testing mdbook-post-0.1.3 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate mdbook-post 0.1.3 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mdbook-post 0.1.3 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdbook-post 0.1.3
[INFO] finished tweaking crates.io crate mdbook-post 0.1.3
[INFO] tweaked toml for crates.io crate mdbook-post 0.1.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mdbook-post 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cec109abec77cfe7c25fe973c34e9ae8a8b645b8b7297411fa3bcfab6d921a38
[INFO] running `Command { std: "docker" "start" "-a" "cec109abec77cfe7c25fe973c34e9ae8a8b645b8b7297411fa3bcfab6d921a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cec109abec77cfe7c25fe973c34e9ae8a8b645b8b7297411fa3bcfab6d921a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec109abec77cfe7c25fe973c34e9ae8a8b645b8b7297411fa3bcfab6d921a38", kill_on_drop: false }`
[INFO] [stdout] cec109abec77cfe7c25fe973c34e9ae8a8b645b8b7297411fa3bcfab6d921a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c24e221dbba96a9a6569c234c7e634da60bc2bc787dd41b9eb5ca6b398e714e
[INFO] running `Command { std: "docker" "start" "-a" "3c24e221dbba96a9a6569c234c7e634da60bc2bc787dd41b9eb5ca6b398e714e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.168
[INFO] [stderr]    Compiling proc-macro2 v1.0.63
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling ryu v1.0.14
[INFO] [stderr]    Compiling serde_json v1.0.100
[INFO] [stderr]    Compiling equivalent v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling itoa v1.0.8
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.8
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling doe v0.2.37
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/doe-0.2.37/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_for, const_trait_impl)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doe` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3c24e221dbba96a9a6569c234c7e634da60bc2bc787dd41b9eb5ca6b398e714e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c24e221dbba96a9a6569c234c7e634da60bc2bc787dd41b9eb5ca6b398e714e", kill_on_drop: false }`
[INFO] [stdout] 3c24e221dbba96a9a6569c234c7e634da60bc2bc787dd41b9eb5ca6b398e714e
